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Finding the Fourth Proportional to 8,502.04, 11,734.21 and 7,083.48

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Solution

The fourth proportional to 8,502.04, 11,734.21 and 7,083.48 is: 9,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.04 : 11,734.21 = 7,083.48 : x
  2. Step 2: Convert to fraction form
    8,502.04/11,734.21 = 7,083.48/x
  3. Step 3: Cross multiply
    8,502.04x = 11,734.21 × 7,083.48
  4. Step 4: Simplify right side
    8,502.04x = 83,119,041.85
  5. Step 5: Solve for x
    x = 83,119,041.85/8,502.04
  6. Step 6: Final answer
    x = 9,776.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.